Tank lock



E. ADAMS Nov. 24, 1931.

TANK LOCK Filed June 11, 1930 3 Sheets-Sheet 2 [Illlllll Inucnlor A llorney E/Zon Adams E. ADAMS Nov. 24, 1931.

TANK LOCK Filed June 11, 1930 5 Sheets-Sheet 5 Elfon Adams A ltomey 5. so as to prevent Patented Nov. 24, 1 931 UNITED STATES PATENT OFFICE ELTON ADAMS, OF DRYVILLE, PENNSYLVANIA TANK too Application filed June-.11 Serial No. 460,441.

The present invention relates to a lock for fuel tanks on automobiles and the like and has for its prime object to provide means for locking the cap on the filling neck of the tank the theft of fuel therefrom.

Another very important object of the in vention resides in the provision of a gasoline tank lock of this nature which is exceedingly simple in its construction, strong and durable, easy to manipulate with the authorized key, thoroughly efficient and reliable in use and operation, compact and convenient in its arrangement of parts, and otherwise well adapted to the purpose for which it is designed.

With the above-and numerous other objects in view as will appear'asthe description proceeds, the invention resides in certain novel features of construction. and in the combination and arrangement of parts as will be hereinafter more fully described and claimed.

In the drawings:

Figure 1 is a fragmentary top plan view a tank with my improved locking structure incorporated therein,

F igure 2 is a vertical section therethrough taken substantially on the line 22 of Fig- 'ure 1,

Figure 3 is a horizontal section taken substa tially on the line 3-3 of Figure2,

Figure 4 is another horizontal section taken substantially on the line '44 of Figure 2.

Figure 5 is'a perspective View of the lock arrel,

Figure 6 is a perspective view of the key. Figure 7 is a perspective view of one of the links and its locking rod, and

Figure 8 is a perspective view of the rockable disk with its pair of arms.

Referring to the drawings in detail it will be seen that the numeral 5 denotes a neck rising from the tank 6. On the upper edge of the neck 5 there are formed a pair of inwardly disposed downturned arcuate flanges 7 having stops 8 formed at the ends thereof. one on each flange. the stops being disposed in diametric relationship to each other. The numeral 9 denotes a cap having a depending peripheral annular skirt 10. The center of construction except th capis formed with a depending sleeve 12 to receive a lock structure 14 of conventional at it is somewhat more elongated than is usual and intermediate its ends is provided with a groove 15 to receive a locking ring 16 for abutting the lower end of the sleeve 12 for the purpose of holding the locking structure in place.

A plate 17 is dispos cumjacent the sleeve ed under the cap 9 cir- 12 and has diametrically disposed outwardly directed extensions 18 terminating in depending ends 19 which merge into outwardly directed lugs '20 to engage under the bottom edges of the flanges.

7. A cup 21 is disp The cap 9, extensions osed under the cap 9. 18 and the cup 21' are anchored together by means of screws 22 or in any other preferred manner.

On the bottom of rockable disk 23. the

the cup 21 there is a center of which has a trunnion 24 journalled in an opening in the center of the bottom of the cup 21. Diametrically disposed 25 are formed on the is provided with depressions 26 to receive prongs 27 on the end outwardly extending arms disk 23. The disk 23 of a key 28 insertable into the lock structure 14 so that when the key is inserted in the lock structure with the prongs 27 engaged .26 said disk 23 key 28.

Links 30 are of the arms 25 extremities 31 in of locking rods 32 pivotal with the depressions may be turned by turning the 1y engaged on the ends and have downwardly offset which are fixed inner ends which are slidable through openings 33 in the top ,21. The outer extremities of these locking rods are adapted to be pro groove 34 formed in 5 and when thus pro moval of the cap 9 jected into an annular the interior of the neck jected prevent the reas will be quite apparent.

In order to remove the cap 9 a key is inserted in the lock structure the locking rod and turned to release 32 from the groove 34 and then the cap may be turned to free the lugs 20 from the flanges 7 with ease. To lock the the above operation is and the cap removed cap in place, of course,

reversed.

It is thought that the construction. operation, utility and adv antages of this inven- 2 1,ses,eee

tion will now be quite apparent to those skilled in this art without a more detailed description thereof.

The present embodiment of the invention 5 has been described in considerable detail merely for the purposes of exemplification since in actual practice it attains the features of advantage enumerated as desirable in the statement of the invention and the above description.

It will be apparent that changes in the details of construction, and in the combination and arrangement of parts may be resorted to without departing from the spirit or scope of the invention as hereinafter claimed or sacrificing any of its advantages.

Having thus described my invention, what I claim as new is:

In combination with a tank having a neck and a cap for closing the neck, said neck having an internal groove therein, a cupshaped member connected with the bottom face of the cap and extending into the neck, an arm carrying member pivotally connect ed with the upper face of the bottom of the cup, locking members connected with oppos ing ends of said member and having their outer ends adapted to engage the groove in the neck when said member is turned in one direction, said cup having holes therein through which the locking members pass, a key-receiving lock carried by the cap and having its lower end located above the pivoted member, said pivotal member having depressions forming shoulders therein adapted to be engaged by akey to project or retract the locking members into and out of the groove.

In testimony whereof I aflix my signature.

ELTON ADAMS. 

